Home / 1,260,961.90-1,889,365.20-727,552.60

Finding the Fourth Proportional to 1,260,961.90, 1,889,365.20 and 727,552.60

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Solution

The fourth proportional to 1,260,961.90, 1,889,365.20 and 727,552.60 is: 1,090,130.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,961.90 : 1,889,365.20 = 727,552.60 : x
  2. Step 2: Convert to fraction form
    1,260,961.90/1,889,365.20 = 727,552.60/x
  3. Step 3: Cross multiply
    1,260,961.90x = 1,889,365.20 × 727,552.60
  4. Step 4: Simplify right side
    1,260,961.90x = 1,374,612,563,609.52
  5. Step 5: Solve for x
    x = 1,374,612,563,609.52/1,260,961.90
  6. Step 6: Final answer
    x = 1,090,130.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.